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DDA123JU-7-F
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Diodes Incorporated Digital Transistors, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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DDA123JU-7-F
Diodes Incorporated · Digital Transistors · SOT-363
DDA123JU-7-F from Diodes Incorporated, in a SOT-363. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | E1 | passive | Emitter of the first PNP pre-biased transistor (reference for VCC of -50 V to pin 6 and for input voltage to pin 2). |
| 2 | B1 | input | Input (base through R1 = 2.2kΩ) of the first transistor, with input voltage rated +5 V to -12 V relative to pin 1. |
| 3 | C2 | output | Output (collector) of the second transistor, with supply voltage rated -50 V relative to pin 4 and output current up to -100 mA. |
| 4 | E2 | passive | Emitter of the second PNP pre-biased transistor (reference for VCC of -50 V to pin 3 and for input voltage to pin 5). |
| 5 | B2 | input | Input (base through R1 = 2.2kΩ) of the second transistor, with input voltage rated +5 V to -12 V relative to pin 4. |
| 6 | C1 | output | Output (collector) of the first transistor, with supply voltage rated -50 V relative to pin 1 and output current up to -100 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-363 |
| Category | Triode/MOS Tube/Transistor |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage (off) | Vl(off) | -0.5 | V | VCC = -5V, IO = -100µA | 3 | ||
| Input Voltage (on) | Vl(on) | -1.1 | V | VO = -0.3, IO = -5mA | 3 | ||
| Output Voltage | VO(on) | -0.1 | -0.3 | V | IO/Il = -5mA / -0.25mA | 3 | |
| Input Current | Il | -3.6 | mA | VI = -5V | 3 | ||
| Output Current (off) | IO(off) | -0.5 | μA | VCC = -50V, VI = -0V | 3 | ||
| DC Current Gain | Gl | 80 | VO = -5V, IO = -10mA | 3 | |||
| Input Resistor (R1) Tolerance | ∆R1 | -30 | 30 | % | 3 | ||
| Resistance Ratio Tolerance | R2/R1 | -20 | 20 | % | 3 | ||
| Gain-Bandwidth Product | fT | 250 | MHz | VCE = -10V, IE = -5mA, f = 100MHz | 3 | ||
| Input Resistor R1 nominal | R1 | 2.2 | kΩ | NOM | 1 | ||
| Resistor R2 nominal | R2 | 47 | kΩ | NOM | 1 | ||
| Supply Voltage | VCC | -50 | V | (1) to (6) and (4) to (3), TA = +25°C | 2 | ||
| Input Voltage | VIN | -12 | 5 | V | (1) to (2) and (4) to (5), TA = +25°C | 2 | |
| Output Current | IO | -100 | mA | TA = +25°C | 2 | ||
| Power Dissipation | PD | 200 | mW | Notes 6, 7; 150mW per element must not be exceeded | 2 | ||
| Thermal Resistance, Junction to Ambient Air | RθJA | 625 | °C/W | Mounted on FR-4 PC Board with minimum recommended pad layout | 2 | ||
| Operating and Storage Temperature Range | TJ, TSTG | -55 | 150 | °C | 2 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | • Terminals: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 | 1 |
CAD (KiCad official)
- Symbol:
DDA123JU-7-F - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files:
dda123ju-7-f-etched.step/dda123ju-7-f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dda123ju-7-f.step/dda123ju-7-f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (7 pp, sha256
34a4c02545e21f90, retrieved 2026-10-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# DDA123JU-7-F
**Diodes Incorporated** · Digital Transistors · SOT-363
DDA123JU-7-F from Diodes Incorporated, in a SOT-363. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | E1 | passive | Emitter of the first PNP pre-biased transistor (reference for VCC of -50 V to pin 6 and for input voltage to pin 2). |
| 2 | B1 | input | Input (base through R1 = 2.2kΩ) of the first transistor, with input voltage rated +5 V to -12 V relative to pin 1. |
| 3 | C2 | output | Output (collector) of the second transistor, with supply voltage rated -50 V relative to pin 4 and output current up to -100 mA. |
| 4 | E2 | passive | Emitter of the second PNP pre-biased transistor (reference for VCC of -50 V to pin 3 and for input voltage to pin 5). |
| 5 | B2 | input | Input (base through R1 = 2.2kΩ) of the second transistor, with input voltage rated +5 V to -12 V relative to pin 4. |
| 6 | C1 | output | Output (collector) of the first transistor, with supply voltage rated -50 V relative to pin 1 and output current up to -100 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-363 |
| Category | Triode/MOS Tube/Transistor |
| Pins | 6 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage (off) | Vl(off) | -0.5 | | | V | VCC = -5V, IO = -100µA | 3 |
| Input Voltage (on) | Vl(on) | | | -1.1 | V | VO = -0.3, IO = -5mA | 3 |
| Output Voltage | VO(on) | | -0.1 | -0.3 | V | IO/Il = -5mA / -0.25mA | 3 |
| Input Current | Il | | | -3.6 | mA | VI = -5V | 3 |
| Output Current (off) | IO(off) | | | -0.5 | μA | VCC = -50V, VI = -0V | 3 |
| DC Current Gain | Gl | 80 | | | | VO = -5V, IO = -10mA | 3 |
| Input Resistor (R1) Tolerance | ∆R1 | -30 | | 30 | % | | 3 |
| Resistance Ratio Tolerance | R2/R1 | -20 | | 20 | % | | 3 |
| Gain-Bandwidth Product | fT | | 250 | | MHz | VCE = -10V, IE = -5mA, f = 100MHz | 3 |
| Input Resistor R1 nominal | R1 | | 2.2 | | kΩ | NOM | 1 |
| Resistor R2 nominal | R2 | | 47 | | kΩ | NOM | 1 |
| Supply Voltage | VCC | | | -50 | V | (1) to (6) and (4) to (3), TA = +25°C | 2 |
| Input Voltage | VIN | -12 | | 5 | V | (1) to (2) and (4) to (5), TA = +25°C | 2 |
| Output Current | IO | | | -100 | mA | TA = +25°C | 2 |
| Power Dissipation | PD | | | 200 | mW | Notes 6, 7; 150mW per element must not be exceeded | 2 |
| Thermal Resistance, Junction to Ambient Air | RθJA | | 625 | | °C/W | Mounted on FR-4 PC Board with minimum recommended pad layout | 2 |
| Operating and Storage Temperature Range | TJ, TSTG | -55 | | 150 | °C | | 2 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | tin | • Terminals: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 | 1 |
## CAD (KiCad official)
- Symbol: `DDA123JU-7-F`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files: `dda123ju-7-f-etched.step` / `dda123ju-7-f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dda123ju-7-f.step` / `dda123ju-7-f.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/DDA123JU-7-F.pdf) (7 pp, sha256 `34a4c02545e21f90`, retrieved 2026-10-22, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/dda123ju-7-f-datasheet.pdf)